/Engine/Plugins/Experimental/Gauntlet/Source/Gauntlet/Public/GauntletModule.h
This is a convenient way of binding a list ofAGameStatetypes to your own state defines. When there is a state change in the world (e.g. from loading a new map) the mapped state type will be broadcast to all controllers.
void SetGameStateToTestStateMapping ( const [TMap](API\Runtime\Core\Containers\TMap)< [UClass](API\Runtime\CoreUObject\UObject\UClass) *, [FName](API\Runtime\Core\UObject\FName) > & Mapping )